Add aes_xts cipher to providers

[openssl.git] / crypto / cms / cms_enc.c

diff --git a/crypto/cms/cms_enc.c b/crypto/cms/cms_enc.c
index f9556acc2e632228c073a31e964b98636d29b5d8..d3a087b3ca4b04cce4d5b853f05845094026a13b 100644 (file)
--- a/crypto/cms/cms_enc.c
+++ b/crypto/cms/cms_enc.c
@@ -1,55 +1,10 @@
-/* crypto/cms/cms_enc.c */
 /*
- * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
- * project.
- */
-/* ====================================================================
- * Copyright (c) 2008 The OpenSSL Project.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in
- *    the documentation and/or other materials provided with the
- *    distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- *    software must display the following acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- *    endorse or promote products derived from this software without
- *    prior written permission. For written permission, please contact
- *    licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- *    nor may "OpenSSL" appear in their names without prior written
- *    permission of the OpenSSL Project.
+ * Copyright 2008-2018 The OpenSSL Project Authors. All Rights Reserved.
  *
- * 6. Redistributions of any form whatsoever must retain the following
- *    acknowledgment:
- *    "This product includes software developed by the OpenSSL Project
- *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
+ * Licensed under the Apache License 2.0 (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
  */
 
 #include "internal/cryptlib.h"
@@ -63,8 +18,6 @@
 
 /* CMS EncryptedData Utilities */
 
-DECLARE_ASN1_ITEM(CMS_EncryptedData)
-
 /* Return BIO based on EncryptedContentInfo and key */
 
 BIO *cms_EncryptedContent_init_bio(CMS_EncryptedContentInfo *ec)
@@ -84,7 +37,7 @@ BIO *cms_EncryptedContent_init_bio(CMS_EncryptedContentInfo *ec)
     enc = ec->cipher ? 1 : 0;
 
     b = BIO_new(BIO_f_cipher());
-    if (!b) {
+    if (b == NULL) {
         CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO, ERR_R_MALLOC_FAILURE);
         return NULL;
     }
@@ -132,7 +85,7 @@ BIO *cms_EncryptedContent_init_bio(CMS_EncryptedContentInfo *ec)
     /* Generate random session key */
     if (!enc || !ec->key) {
         tkey = OPENSSL_malloc(tkeylen);
-        if (!tkey) {
+        if (tkey == NULL) {
             CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO, ERR_R_MALLOC_FAILURE);
             goto err;
         }
@@ -178,10 +131,9 @@ BIO *cms_EncryptedContent_init_bio(CMS_EncryptedContentInfo *ec)
                CMS_R_CIPHER_INITIALISATION_ERROR);
         goto err;
     }
-
-    if (piv) {
+    if (enc) {
         calg->parameter = ASN1_TYPE_new();
-        if (!calg->parameter) {
+        if (calg->parameter == NULL) {
             CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT_BIO, ERR_R_MALLOC_FAILURE);
             goto err;
         }
@@ -190,11 +142,16 @@ BIO *cms_EncryptedContent_init_bio(CMS_EncryptedContentInfo *ec)
                    CMS_R_CIPHER_PARAMETER_INITIALISATION_ERROR);
             goto err;
         }
+        /* If parameter type not set omit parameter */
+        if (calg->parameter->type == V_ASN1_UNDEF) {
+            ASN1_TYPE_free(calg->parameter);
+            calg->parameter = NULL;
+        }
     }
     ok = 1;
 
  err:
-    if (!keep_key) {
+    if (!keep_key || !ok) {
         OPENSSL_clear_free(ec->key, ec->keylen);
         ec->key = NULL;
     }
@@ -211,9 +168,10 @@ int cms_EncryptedContent_init(CMS_EncryptedContentInfo *ec,
 {
     ec->cipher = cipher;
     if (key) {
-        ec->key = OPENSSL_malloc(keylen);
-        if (!ec->key)
+        if ((ec->key = OPENSSL_malloc(keylen)) == NULL) {
+            CMSerr(CMS_F_CMS_ENCRYPTEDCONTENT_INIT, ERR_R_MALLOC_FAILURE);
             return 0;
+        }
         memcpy(ec->key, key, keylen);
     }
     ec->keylen = keylen;
@@ -246,7 +204,7 @@ int CMS_EncryptedData_set1_key(CMS_ContentInfo *cms, const EVP_CIPHER *ciph,
     return cms_EncryptedContent_init(ec, ciph, key, keylen);
 }
 
-BIO *cms_EncryptedData_init_bio(CMS_ContentInfo *cms)
+BIO *cms_EncryptedData_init_bio(const CMS_ContentInfo *cms)
 {
     CMS_EncryptedData *enc = cms->d.encryptedData;
     if (enc->encryptedContentInfo->cipher && enc->unprotectedAttrs)